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Glen Rock

(Encyclopedia)Glen Rock, borough (2020 pop. 12,133), Bergen co., NE N.J., a residential suburb of New York City; settled c.1710, inc. 1896. George Washington's army u...

calcareous rock

(Encyclopedia)calcareous rock: see limestone; marble. ...

North Little Rock

(Encyclopedia)North Little Rock, city (1990 pop. 61,741), Pulaski co., central Ark., on the Arkansas River opposite Little Rock; settled c.1856, inc. as a city 1903. North Little Rock lies in a cotton, rice, soybea...

Plymouth Rock chicken

(Encyclopedia)Plymouth Rock chicken, one of the most popular early breeds of poultry. The Barred Plymouth Rock was a favorite farm chicken since it was both a good egg producer and also developed a large quantity o...

Black Rock Desert

(Encyclopedia)Black Rock Desert, arid region of lava beds and alkali flats, NW Nev., in Toiyabe National Forest, stretching c.70 mi (110 km) NE from Gerlach. The Jackson Mts. rise to the east; the Black Rock Range ...

rock and roll

(Encyclopedia)rock and roll: see rock music.

rock 'n' roll

(Encyclopedia)rock 'n' roll: see rock music.

porphyry, igneous rock

(Encyclopedia)porphyry pôrˈfərē [key], igneous rock composed of large, conspicuous crystals (phenocrysts) and a groundmass in which the phenocrysts are embedded. Some authorities consider the expression “porp...

Red Rock chicken

(Encyclopedia)Red Rock chicken, the only chicken still popular to any large extent in the United States today for both meat and eggs. It resulted from a cross between a Rhode Island Red male and a Plymouth Rock fem...

rock carvings and paintings

(Encyclopedia)rock carvings and paintings, designs inscribed on rock surfaces and huge stone monuments in many parts of the world by prehistoric or preindustrial peoples. They have been found on every continent and...